{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xab6f19a26ae84d616f34aa8a74cc037dd265380f9c153622420562f96979a967",
    "signature": "0x37342c531ba99b9e01bce547d470017c8a403516fccc21fc2730c59e4353f2870d602993b65637838085a07da619a04127a00ab4081b752f5e6c57b9266295321c",
    "signer": "0x162A9ee62EE8188aF5093DEa4a1cd840d7fD7B5F",
    "userId": "985141533"
  }
}