{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x4011427971bfcdf68919c0ae1c09dfa0c438b1687ba99867e23ae41821093a4f",
    "signature": "0x6e5fef0df6098912040f6a88ae8902afdcd8c5d31a5faec1f168691204541fd43eb781cf8890accc9b8c182fcf366648a7d5abdc8829ae90c5ea7422dcf280d91b",
    "signer": "0x6268f3F36E0fe8D3E139bC6d32d7539887721848",
    "userId": "418312750"
  }
}