{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "140587",
    "entityType": "User",
    "nonce": "0x3b186cdea9e9ea48637b942eba5b7e966147d3d52b721b6e50f22618038f76ed",
    "signature": "0x84bd0dd9e34101449f4d963e9d718d9ee30eda1d9e1fd337b9e071666b35ad111d8a7bf08614c7b0dfe1c1c86bcbf1bc4fb6751cc3572670c23b65f83276ed821c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}