{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "74523",
    "entityType": "User",
    "nonce": "0x13085fb555239458208207eda325d0b2f0e103f2b0171dfa2da90cd7937c783e",
    "signature": "0xdc114ce2fc2420f998de133364d39b828d264fe3235850ee09f53b8ce250ebc671785656fb4780ea72374542b4764821e288352166d8c0d8bfcf89a8f2c90f8e1c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}