{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "85920",
    "entityType": "User",
    "nonce": "0xb85ccf3ffb3a67234a84c7503083dc8fb65a6cbae8e5579d23c686e2ba5aa44d",
    "signature": "0x4cfa24f2343ac23e5cb7e07fda046e6c326fe758a5d9c548ea9d0f1ca90869e0501430a62539a4d5d2c864047662dd480d2f3a2c78ee4b06af826abe48465bf21c",
    "signer": "0xCaE1ee7dc4DB493ceab857fd89C09fA305C4c5d4",
    "userId": "648743045"
  }
}