{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x483bfa4f3ee39689d0b44316ba216b9772e7998121e3ee47919e890f273948b3",
    "signature": "0xacd049bc673c23bff6d423764f53967bbe9d05d3666849fae2203bbfae52a4f17b0e36615770655d234d10581800332e30ac6f17ed94ec1b0e8efd108cb376a01b",
    "signer": "0x52C54744FeC93B156A460Db7FccF10e22b6FEdf0",
    "userId": "194963084"
  }
}