{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "178055",
    "entityType": "User",
    "nonce": "0x2933fb2a86608b587eae824b0418fda0c922e1cdbbe5793c1c1af14583ed97bc",
    "signature": "0x78bef80d2ecfeae9d29619dbb5c90055068b858dda40c2abd02179a4ace09d065fae72e52b170db606139a22e5bf486dd6c082347ad4f8ffed027dd0ebf9339f1c",
    "signer": "0x3c154BbB8f1ac3df4a7721Eef2A2198c385D2a85",
    "userId": "587797478"
  }
}