{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1584941",
    "entityType": "User",
    "nonce": "0xcacf02cd9260c9efd84d71bd008840749f10c7033696400581ff17877da92ffd",
    "signature": "0xd26df70e6a9d8cbdb6c825384cb19fbe6dffee820676dc9f8855dacb5f9ebb2102b12363f4d7e4658926c4a06c6be1f957b25535b249537fe36b1223c728f91b1c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}