{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3480",
    "entityType": "User",
    "nonce": "0xe1adfc4ad19565190b92cedecf2cd884c37de7794218a424c106d72eaf80bf5d",
    "signature": "0x2f14a0f53d512d6a18f0fae085dd9074d67b069188c02603d27c8d0a0e58ea9d5e994d56e03dc5181dcfcfede4e479737e3ebb1e6cf2ae1365202e378d87743e1c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}