{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "686642087",
    "entityType": "User",
    "nonce": "0xc899b0facbf0be1ae2a71d4c08bc21da92df7c859343f22aab02e4141c8fa6bf",
    "signature": "0xb3e3e3794072e7c123351b0c77aa0fb3eb0a5f3574de23a5dc60d5d1aac1aa024e1fe379c85dcf0e26ef2c3ef3b0ef54d56218f8b564cb919559c89b0d20d31a1c",
    "signer": "0x95edad96E487334dA62734782B8e788aF01fBBdF",
    "userId": "189772028"
  }
}