{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "326049483",
    "entityType": "User",
    "nonce": "0x0fa92cb70f1b154bbb2323ce5963a21a2612e5fe494baadbdc785da2c7d70f3b",
    "signature": "0x134e23e857887c90ce7b238d0ab029d9c3d979376e7d309636d097486f45773e2045c92bae7bdc19a376ae3f1c55438449c14da23bf65bc313a124a97bbb8e741c",
    "signer": "0x2e4EEc67e1D72Ead2c23e3aFd5e0a0110ed11E4d",
    "userId": "86534776"
  }
}