{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "305838",
    "entityType": "User",
    "nonce": "0x3db3888b077b5f90f9cfe1b3f4300a1c42af91e8bebe128877a1e079abaeb177",
    "signature": "0x3faa947492c3374652a22a842a4a8fce6ed89f5f6ac36085210107d7138e4fbc44777db911f729ea3b8a4a93f01cface878531175411938389c8391bd50e552f1c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}