{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "855755014",
    "entityType": "User",
    "nonce": "0xae1d25822e677c8ae90ad0ad20c73cab7fcfe78880bf4b4992fda04056f5ef7d",
    "signature": "0xfa6fec1552386418943aca3196d708c9081a62a75c1dfdc8219ca35d667ebcc31003c1b3388319fb66b1b347b3d555fb2be5d439fc855cdfd60e8b74e144d59d1b",
    "signer": "0xb56fC8198ae97f6F430574C70EB86d5A7831d185",
    "userId": "357890672"
  }
}