{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1756927",
    "entityType": "User",
    "nonce": "0xbbbe16366c8b10c714157a1f4960a2d616875dc81970c5741fa2e8d3153162e8",
    "signature": "0x73a4581f3a6c69b9c330ce8d2a6b734e587a9cef7eb9cdc0ccb9dfa3951546415174c9bde8049722f96e6bd6a0689244820d107fa08e17541d77030737f777a21b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}