{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53956",
    "entityType": "User",
    "nonce": "0x44ccab71d2b7e91823439792b38e78f4fe2eb1a0e65236356d4eb9fa9247f26d",
    "signature": "0x03113db61ba93183035364dc49ebef0aaff7591a4fb9fc2575c54d02aa37a72617009723261560a3a1f3e2dd0a47a1188893e8b4b3cc78eff8e1de0d5c58d7721b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}