{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "296070",
    "entityType": "User",
    "nonce": "0x437b5db675d5bd268bc5a496d0b7844289e3495f263b26d2a324a063d2b544c4",
    "signature": "0x28972aa76fd853221c3058a368660b46cc5729e359ce8a61a6d4027cf4c4f04b35d69ee34d1fdf7a358226dddfef2f23095401fa309c3b0e6db6ff5857347a581b",
    "signer": "0x3e16afFf69eC32202c1B755Ad919C7aA325B7aBE",
    "userId": "902811065"
  }
}