{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "714646433",
    "entityType": "User",
    "nonce": "0xa812cdd69dda0169257ae3b8433b1d342527ad2298c5a6bd4f4173efd206ebfe",
    "signature": "0x29d0fb613f37a0f88ac5cc5688056baf035406000069b8e1b8fc076bcc616b9a1a36452589c8d8e91da0565c3e84dd00700785dfb7f77dabdd40f2685e5585bc1b",
    "signer": "0x5FB1dF0c125C1F3cdda251a598Cb878a0A390F18",
    "userId": "25189733"
  }
}