{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x9fbcb882c46952c666baa85f9f5ee390a1ed75867a10ac147be1450fd84cda1b",
    "signature": "0x789c6ea915e2aacae2bcaae272100a663a8815e2739c8a116aa386f705c99c407ad87ce6023e982b7b02e8cdf3b803f133c8a0b6fba0d41154d2698e6309063e1c",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}