{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "832058678",
    "entityType": "User",
    "nonce": "0xca854fd07481da89cdfc37427314e53a3204e70e795b20f90304cf6422cd30d9",
    "signature": "0x53909c6c8cbe08674abae089f10b7bab8613ea16006eb88dc783c162a3e5fbe849e46f17f687be0694c9795686a2df975277e70004596ecd822f80470d786e391c",
    "signer": "0xE0EaB915C3153F4a2DF5C6e7b8D58dAc829Fbf2f",
    "userId": "774741623"
  }
}