{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "151733",
    "entityType": "User",
    "nonce": "0xf7cf09211d241e31ceeca98e8d7099c1bf3fba1f24555ed33b0f0df85bf7a394",
    "signature": "0x1e3d50542f87ab88bc2bf3950aecc4459220d4bd8903fced9f37ec190b0e75c05fe55b39918a351a56b653782723def663ab71ad5df414ff82964c41b39e67f21b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}