{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "314016",
    "entityType": "User",
    "nonce": "0xa584930839a6247d7a97f30df590ae8c3b1ed959eeed07035afcf7a1c673a284",
    "signature": "0x7898efb76e1f8c7cf2cc7b46a0eda9efdbd61463609f12f56bc68472aae71d5b43e5f9a35d0f994e1e02c911f036474dff04dfc5ff847981af2d5db812a6d2ef1c",
    "signer": "0x57B72EB07de2F234F10e779f1Ba99344cEa3B3A6",
    "userId": "873528115"
  }
}