{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55875",
    "entityType": "User",
    "nonce": "0x25257551fa61fb81e01530bf513a2a08a0c29f275bd5fa50feeb7bdaedb360b5",
    "signature": "0xe1c7f80b480dd0318acd392266cd7fc4537f308ebcc9edb888baafb558d950f770f3d0ab45772623bf3afe6f822686766f8670658ab423e7ee4c51c1e92035551b",
    "signer": "0xC56E1ccbA93c1E645e5F27Bf8A5ca13eB7A5eEbe",
    "userId": "335878078"
  }
}