{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1464777",
    "entityType": "User",
    "nonce": "0x04f9a3051262109233670ba0f174038d1a770684f18f23cc95c3758963aa529e",
    "signature": "0x58f5d8477efcfd46856780fe9d0ea0cf2911032914c1b2f8cde38d810b8c3f9e29309ee27091c3cac79714c2a19c344f2b7b3f6316a4d3d4402e62abd846ab111b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}