{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "395602",
    "entityType": "User",
    "nonce": "0x0ec0cf8e8a082a01c1c941a0bf6f642339fa98d4b967e21142514f6819818b9d",
    "signature": "0x01293ec7bcc39a6591891bea96d41704ffd8591cd2d468aafc2229ed1a925cdf5cecb53845503c0e3699f801ad2bcacb0f4c20791ef3b06dcf603b778a771b711c",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}