{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1994482",
    "entityType": "User",
    "nonce": "0x7f98e8d17356bbcf41f89a8e37bf9ea32ee1fee45c1f6632ad3f410c313b7004",
    "signature": "0x5047f199735c8b2be0049d877644d9669e4b58d59d4ceb5d871061b3a810bf6177ff220e43fae83d0670373bde0f14753a7e3d2f0e28827ff7a8b10a4423d8891b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}