{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "895209133",
    "entityType": "User",
    "nonce": "0xbf51f145c0f5cbed5ff3957a7c7b7280c3ee995a8e96c8cc54eb7811bfe92a81",
    "signature": "0x35722a6f787ff3142d91f2181d1211dbe5fafc6b7f0e915ab500640fa2dbc60a3504b27f7f40cfcfaf7d897e54d0cd58d169cec16a6e156443c47aec56dee0ac1b",
    "signer": "0x5f669126A64334710E37f472BfBfE0D8cF408577",
    "userId": "171892"
  }
}