{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "124266",
    "entityType": "User",
    "nonce": "0x7e6ba7f64c5f7f10b3f4beb0f8e7c00a50b3d34e2763becd8246213a354a2ed4",
    "signature": "0xb921b4870b8513440d0d2324d56f906930c935da9ef43993cc92c68fd5c0555a67db44bbbe9d6f75ddd4b440f28b8509a7ef0a84c05c7081d3961cee918f88ee1b",
    "signer": "0x7E7b9c4DAC3F284d889a5bc274eA80b8BA5F63ee",
    "userId": "670307808"
  }
}