{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "383612",
    "entityType": "User",
    "nonce": "0x0f37c31fd2243576bc219546a394ce4925c7263f33b35c161f1e67c9bfaf48da",
    "signature": "0x4675e2ac88ae9a29d4d36a3adae66859f88f4e2016e008d9a829d53c9d00c6ef6abcb9a3203bbd6cc6e85a068710c884cd6e79a0081eae65eaa0baba8080d0911c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}