{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8980",
    "entityType": "User",
    "nonce": "0x9b5bdf8124d821de45eeacf488c3de894ddb58f2796f02acfca9c5d74e9c43a1",
    "signature": "0x88eb00e65b9be6ded04502f254a7511d2ce967df94241053d5d75384737543f602c593a0d1782f21a0fc74189bb6fd834af25c9f3dd017d6282a598c46a1eda71c",
    "signer": "0x451d1Fcc610ac6c427d570E73Cb3641Acfa23b6b",
    "userId": "134623867"
  }
}