{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x89ecdfa04af134d7cd151dcfc6fd9ecdb8ebec4ad42525e86fb859d8d016804e",
    "signature": "0xb0a5692c5631d4f307ed203a700c0dacb41ee6b639d205ed767bb5034760d14674a31d0ac514ecae12455b3fc54c41b519268fd44c494feef47f8d04216527c11c",
    "signer": "0xdf154DE3c43dAaC55594a3209F590a7CC663FAa2",
    "userId": "820205930"
  }
}