{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "122966706",
    "entityType": "User",
    "nonce": "0x359ff755e3b94f66496b46bdc8447131ef44cbe25b65301212f21028e3476dfd",
    "signature": "0x66acb50bca46122785af7fb04a970335ec3d089353098f284ed62642f0758a675a4dd4a58c2faca17dc712c0758b1c2a6cf2fc24050ca7b529fda3b80a5c64511c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}