{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0e5fc1952c332e01dc3e3b7855854389f12923377e26c3ba7c8920402e98c67d",
    "signature": "0x133db6a2fa2b4b3c111f4009b9907a655e594fcf904e492a832d889019eec05352bff466969d7a1d516cc09ce9a47a0025a7a963fe6e9cda83d804329d4a64aa1c",
    "signer": "0xabAB032b332d0722f40712F3eF78E37b35905Ce8",
    "userId": "612218378"
  }
}