{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1005",
    "entityType": "User",
    "nonce": "0x56af6b98714f9f29ffe957c2e552b0d8a29c4efa416ddae978c9c98b4aac7ee6",
    "signature": "0x53aa6aa0eb1371085e04c48e546d8978a698ef35608f8e539d62351849d60bfe72060bd3d71b5f86af63b07c483d7e87f137ad3d75848956037767551849bd261b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}