{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "122966706",
    "entityType": "User",
    "nonce": "0x9fa4ee0115a3c5575b71200d8bcc39a177589ccd46a579280044793876217ff3",
    "signature": "0xf5d7bb6e0d7cbf9dd395b27890148d5248109f24f999794d875d9c83a8c87e6f15064f01da8ed1a72ddd3e386da523dfa64784475bae54ac5fe2506d8f36a46f1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}