{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "32577",
    "entityType": "User",
    "nonce": "0x468797f00238779bcee1c946102a3fbb736540aeedab3b0b04258cb2dc69f46a",
    "signature": "0x52290e5f24ce02d950b21db5f6a540dbdd21b2ae827f90c8a31a972091d6e8430bb5f03ba9af74a4440c42c278f34f20aef301a3294d84c37b740cbe8f969d011c",
    "signer": "0xd708949D0521A856Ca6eB44B4112bAEE59741ADD",
    "userId": "490478463"
  }
}