{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "959778351",
    "entityType": "User",
    "nonce": "0xd275966749d3a1629e1129b26346ff6392aa55c48415ee0faa635c1c1b522139",
    "signature": "0xae6b7fd2cde38573035273f978945eba9cd48411967a6d40411fec8666ef991b6840c83220c834d9d95f8450affbbf26b57ebc7418b2d02d52edc8746a072a3e1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}