{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x5d1b5b797c3035606bac81ce710871735f3a9234a95db281f314a8c0b55b038a",
    "signature": "0xef90fa830001ad96a01497d51dcb1601b62b5be3128518bfd9c80f2eb7aad6a27a115ca8bf0df126b9a0bcbd3f8e3da6782aefe6b5d5ecec28fbf39377ffd05a1c",
    "signer": "0xc95EFE880463dc9E6fC74760701bBb0A05704C9c",
    "userId": "95927626"
  }
}