{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "45670",
    "entityType": "User",
    "nonce": "0x1161706e21a7d5ef0b3937a60c14a98f9b5ff7a9bb5da207356a32e1114171cb",
    "signature": "0xf81e4ad2d2e15cae68cb7ab7877cf64d262a4be04e054d23a344009b8971260d60830caa11dcea0bbed0914f470d95e6e14d8b56788740b2dfd2ed90fffef1b41c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}