{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "317665",
    "entityType": "User",
    "nonce": "0x006fe66574d9fedfd7a99b539fc28744ada8a99999db17d2ef25329e0e27f5a0",
    "signature": "0xc733620514bfc416ed5db7cdd96068a9f6980b947aafbe02bb7d913ccefec5d7192defeb3d5ce250ebd9381b2b3909f2ed51dc3c8bcf8ded2aca94d7ba4f03a41b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}