{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x89ff4dcf0294ec00c792a3842d69ba7cd66ce1d61500777adf7ca275a77ee69c",
    "signature": "0xfa1414195e832188a6a7c36f947db2cc066c3bca15004f26f659c7d648b1d5a22f2bc50f72d0612ee9960073ef1d2064fdbc478d5121dbbb5ed2879bdd938e611c",
    "signer": "0xD747540FDD48b0ADD908Fa54f06A2d2a5034d858",
    "userId": "725808521"
  }
}