{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "957849040",
    "entityType": "User",
    "nonce": "0x3537a0b5bbdf6f16bbc829f5d9a99502718d86a8019cd1ef4030e1d0f5c42655",
    "signature": "0x7c9b25ad14802423b535a45edf0e0783fdc67849361b7714e8c6f4de374e84082c5fff4a3d3121045a6590d902690346fde76859b409e9f69998d1570ef78c1b1c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}