{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "827803944",
    "entityType": "User",
    "nonce": "0xabbff523c869fabacd741139d3e312b7cc84e884bfb3b79eadb48a847a140710",
    "signature": "0xaea995343d23b22474d3aba9f79078c83e079d0b0a6b83d24e10f0038caee4e7483bdc5a93ce178301c372ef76b001768053970f4106c61c4b500b1772a1a3541b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}