{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0xb2996b78a35b90f53029c18964975f4ab1428574ddcc7ac3e12e4bb9225f98b3",
    "signature": "0x1aef8a32d3321474613c8c4fd17f7abc22310980c3a3f2de5e3542a2bcad03161ae7190ae801e648107879f7ae7152ed92d6d178c1d8c5b3f0a3a137ddd8d3041c",
    "signer": "0x9c0E158fd6a79ba8384938c72F34b5D765d2A9Df",
    "userId": "178678516"
  }
}