{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1511286",
    "entityType": "User",
    "nonce": "0xb3911b041363df3987e411acccd7ace8306dfa76ede5b0f0ca2fa4803047006d",
    "signature": "0x163952266b90f23cdca2531783e12e59f281d23c0689b154a6a1c85d074629e40cf913a605cfcca66f791a1237f8c05b78289dd2446c2434dda145489ddb9e9f1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}