{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x0fc690419d556562b3c65d49d42945502b20917e4849886cb4b38887ba1d1017",
    "signature": "0x6f4c9c0a4f7734f5adffa133488f27332e860fb8ee2f4398ccebbe4c666b12c22fc3da33f58e16cb5b2a625dc36f5973d08e17434103f39584bf5de4d13213c91b",
    "signer": "0x4bEB7D64408E377BC0cE5706956846D437acF8BA",
    "userId": "147968817"
  }
}