{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "121885",
    "entityType": "User",
    "nonce": "0xc48d07ba03973a02b6705c58a84a0913cd6925b19bedb2227640307dbc6841a9",
    "signature": "0xfeec957e6d7a8727cfde16202499d51d571ec7800a7b2dca22ed0d7e5174c78a73402e472120e53c7013415564cb4e5118347a8c21f8c6950914e98f57b7c4041b",
    "signer": "0x92328BFDeD38C9a9De6E253A0CF5CB46A3B28611",
    "userId": "831117417"
  }
}