{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "196385",
    "entityType": "User",
    "nonce": "0x1be6d1083e67d2f7ee6377e9496dad5d801d74f962e2a9279d7bc56c177ea5ab",
    "signature": "0x9d8a3b50b06c30ce4428f0c4e819091aa473a16679443b7e66e09091bce52f546106f4f84c44456af9a98b47bc615163e9d9d9c5dcd42a8df1a9bca421408a3c1b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}