{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0aa26a50883eba28276f08129dc9016ae128f6d42c8b3f2b8f03fbd9c7887d75",
    "signature": "0x95d0159eaedfb087255c54a4ea86572d3d4db1d74be2f90bedcaf28fbf9580ef312d21c9a255e8b71b3ad5599a6153ac502c36fd2fc21bb7fbd0ee4a4efd4d801b",
    "signer": "0xb6ED0912F59E619BE2B92caA823bf630d836ECb7",
    "userId": "248546587"
  }
}