{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "849737890",
    "entityType": "User",
    "nonce": "0xb6017288da7d892460f1ca2bc84e556aece830017825483e806f8f8a57f083ef",
    "signature": "0x69d61a85a6d0a826cfd362f96376bba02206b2c84403d7b7e87d09e17a0f41e46593f2f33112375e5460b9376da1166b56476c3ee57f1786b2c613f2e340eb0b1c",
    "signer": "0x1c4e2947b5F9FA4A927a23897193150631C1DA35",
    "userId": "933435942"
  }
}