{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "845383973",
    "entityType": "User",
    "nonce": "0x6ad15d6d6f9b7eb7c5c035cdbbbed02c099c853bf2cc74f0aaa62ce0826d2ec4",
    "signature": "0x7a99957b755d19806c1602d29f23094f56301a8eb8f0fbe4b2fd3d0fe26b3e152f2881f092ddf9f929a763517289f78a9e3e19621535e1a96d9abc4bfebe4ab51c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}