{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xffb04080ccfc1e54496a65b5e81723a98db76afe417a595cb4ae8100b2f28b79",
    "signature": "0xa64b1056d7bb337f3edc38acd9355e3a037ddf018baa79d77ad5f9310a023c5c664ab80bb724b51706ec4d0da7182e77b5909f7d46edc24e4f03905e52c0aaaa1b",
    "signer": "0xC08E08ED53fC9A2e9ea50727c7833CF8d3B4Ab72",
    "userId": "828936044"
  }
}