{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "163381",
    "entityType": "User",
    "nonce": "0x35ce87fda9e51161a5087e0d3be0a4cf1173af049028c5b89c86e39e5a047dcb",
    "signature": "0x6f7b6588f88e2e8045953cc44af361549ff905d76baff25b646b5800cf2ff19b2f6e0bcfc8ab2ea599aaec6316f46409a602dd7c302258390e70c61691f418ad1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}