{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "362721758",
    "entityType": "User",
    "nonce": "0x9d55debad2848eb769aafdc1b5936a4e6cc72603d20cb0807a59365ef8d8e8d8",
    "signature": "0x0dfd5251a65f67130003bc41dd823cfac20959cd6c6ebb1b5968a8ba6673f6aa0dee6385dba527bbf070721848522a3ea353c1ab1fe6b56f26ad0eba343e4c791c",
    "signer": "0x2Df83D15c880275a0138820cE2009Fc85eF32C65",
    "userId": "107618708"
  }
}