{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "988703629",
    "entityType": "User",
    "nonce": "0xdb895cedc08602b4a3aa6b2bbeea3ef812cae355153084537203d82932bc5e78",
    "signature": "0xd96dbc6bce41926eb2b3297b7c18ee080655d5244fbe3d3f9e149ecf2c97be0d4ace8bbad58b96d248630243d7e1bbd8a2b4b15aac1c093a9fa71ae9c6b24b991b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}