{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "62817",
    "entityType": "User",
    "nonce": "0xb14c9e0c36ce8af5748df2e0471d459f28eff16a896af0e43fcd3bedc4cce8b5",
    "signature": "0xedddb1afd8290bcf4976c6271dc4be321b71781ed68b24f63e194c9fa099429426251556519e2289abf246c1339ff1a5d74ebdabbbcaafdc9064145f5c47d38c1b",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}