{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb5d6fb056ee7c0b57245fb1b0a67c9096a16eeb9bc171098953574556b5a8309",
    "signature": "0x4f7b03819783ecdbbef3d270491bafbceac3a155a5b72aa0d450c45af213535f6e8a0fbc0c79628f6c87be00122ee643ce71642a62350ec45437eba4f504d2a01c",
    "signer": "0xe1AB4ecb0F95b5ea275f6E67861966712A9F065D",
    "userId": "801764342"
  }
}