{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41939",
    "entityType": "User",
    "nonce": "0x4fb5b552bff1abce237829a9ae3ecfb3705dd4f0abec87e84ed983b2724d9942",
    "signature": "0x0a1b65aafd17e9d80041cd8922ab9f221bc79d53091f091034b26ea7c94779ac18f3363b65f007632544cd93ed6ecf2ba8cd46276187aeb8aeef8f8dd585f3ca1b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}