{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "107056",
    "entityType": "User",
    "nonce": "0xec92ec4a232f74c83a6c4aa5ad6bef3fe6003ab0d3ce345cb72f69441f617d99",
    "signature": "0x34f132beef2bcb6e34d3d2f82d4c28f91de3e7322718e30795e28027ef06f5ee602b19e5056caef3a881ce2bbcd4741254fa1ead3a98c759abafcd23079306931b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}