{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155033",
    "entityType": "User",
    "nonce": "0xa9dc02d2131b893401ac63da0dc6eba0bf47adba78b723a668d1b39bb84f36fe",
    "signature": "0x889b1d7ee153af593f19c4d079f3098f9c3aa9637c3d8a9c022d91c6a2fac63e2bcaa3d4e0b521c8a48b27850a410725eb75b4e9b353c0a6e062badbfb59ac331c",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}