{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "405117",
    "entityType": "User",
    "nonce": "0x063a77de56e9c942164d75485a1ccfe70ee50644fccaffc9f0507c6df31a5d83",
    "signature": "0x42cc107bbe0e7fd22f8ec9581abea98ceac5563d30eb2cc12c017b19212567af0f7677448da5d22200eee9834100a75eaa60209042177ca68a31a286bb30c6de1c",
    "signer": "0x7c5233DE7A8aD918D090BD36cC8C0e6273814D60",
    "userId": "559710456"
  }
}