{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "713161556",
    "entityType": "User",
    "nonce": "0x601150d7ff20e22ebffa5390c5e2fa6470df739b2be71b2d6987e93fda6b9186",
    "signature": "0xe27c58b053fc0c259bce6fa977c8b28f0b7614f87915935e9e81fd1e1a192edd1cce302da8137753e6a341687899bd3198ac883e6ebbccef8ec737b938ad161a1c",
    "signer": "0xF7628Ea36C0C266E289b7538b033fB949A6C31ff",
    "userId": "386745392"
  }
}