{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5891",
    "entityType": "User",
    "nonce": "0x0942e759eb3f2c95a20bf786f2c5d90941bd747bca290e4cb2820e8b8d84ceda",
    "signature": "0x6d2fbdf9cb18501e750e69fc628351012f8c6f0cb3e0b52cf54fb07da0032ac876ac3c9bea54770b586edd089a3323771dc4415fa8f4899822e32a0d83b10c881b",
    "signer": "0x5617e33979Af319eD3a9a6bFF820d69b7e8877a9",
    "userId": "171261"
  }
}