{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "175771",
    "entityType": "User",
    "nonce": "0xd926286c40c037affcf4041aee0077e6b9d59f0cceaef435e98c4b78e4a5b425",
    "signature": "0x651718e23ed1f04ed4839e725377484b0364734ac0ff033f4465c63953c91bc5787faae7b72a12c37be9f68a5e76fc53615922f3ea02c9704208028d61887d131b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}