{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "175425",
    "entityType": "User",
    "nonce": "0x3f6759950eb17d4df621da5272a9c2204ca3f7a7064ff76061ce8a3a3079f4b3",
    "signature": "0x323efb4ea3702d57269792908f3f5bba214417a93a8df74adf10adc31d04825f2bb62eba05a5308dc7b9dbaa421ec13eeb2147eacd15d31b95e75802f8569bd01c",
    "signer": "0xF08935327AeC6306C8d0eb92999567e5496848C9",
    "userId": "989073793"
  }
}