{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xcc54499e9e6655c93a043a3fb132a4c5823a16b63baf6c0eb02ee829ea141a1e",
    "signature": "0x36bfe864fc04a71257df8b74aa0009a3ecec0946af7dc9ae824b29fe336850ca608e90ca8815f84b5397b5e8d7b0217552c1912eb9ecb3e36c440efaa2c0e2ee1c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}