{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "16782",
    "entityType": "User",
    "nonce": "0xba895043e1c26db836ac7ade556c0c88dbf73d6726291caf762f721d8d902887",
    "signature": "0xcf43a06a2542fa1da684bf342f5d2220b490b1111ad0ebe2f5774d73db1783e734fef2f9a32f0398d3ef4f9755e751cbdaa4dc6857bbb8213bfdfd4c2224f3d41c",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}