{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "106236",
    "entityType": "User",
    "nonce": "0xd3d9b83ef73563b12a9c6a6fab4559226e1348447a1cf60ddc7dd95dc5d7e4b6",
    "signature": "0x02148f8ecb8cc62c22898ff7b20d2bc0178fb17cb85d2a2c43c4a0a0b53b59995228698253a75a6a485d335f22e9c8cfe237e0e999fd4f3400fd8526496f1fcc1b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}