{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "209310",
    "entityType": "User",
    "nonce": "0x567af749f6e3f742e2c17e48413c7d57d8ca4f364d779a84634468a6f4a57b37",
    "signature": "0x2df6ccde4eff5b3d3debd01bd0d6af110d3dbfce87a94603ab9fdff410426caa7c6d0c7c01f04c94aaf104d686fd56e8c7bb8b9a6b10410cc05143c3545c11981b",
    "signer": "0xA5594f75935B53086a8f3231b314C131605FEDA6",
    "userId": "140185425"
  }
}