{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "172069",
    "entityType": "User",
    "nonce": "0x5b66bdf418411cbbd19b61c1dc8fcc0f2930cc1ae1e29cec91b4dfbf16a9abe0",
    "signature": "0x403677a63080ac9326c981e3546a1300bdb8298e1dfa4d931845d038592eff121af5b212ce789272170237d5da084ab80389e43b3fdaea15859f20ef96a01b5b1b",
    "signer": "0x3e16afFf69eC32202c1B755Ad919C7aA325B7aBE",
    "userId": "902811065"
  }
}