{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "962634039",
    "entityType": "User",
    "nonce": "0x407a5df88884199597812933da2387bea55ee389947530569d6a6c3ce4545d3d",
    "signature": "0xa128b3e8477e40e5c803508d36126f2b380d29cb2c6df4f2435b9aacf8227ac939a7dac74378cdfeff696e7f016d3d58878cc8ca04252b45f68539c7897141c31b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}