{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "48340",
    "entityType": "User",
    "nonce": "0x9f5e6077759b9cd050795704faef4f224c1a7b308ef9e7a98950bdd163f60e40",
    "signature": "0xa380350fba573d1e96c9762007d1ab0252f6aac9b4d9556b5b931ab3ab929427048d3726cfbb38e918b95b44496bb5e32113f5cc09a16787f34728c4bb61a9121b",
    "signer": "0xae6A06941Dc387764CB144aA1A9AA46fccF6236c",
    "userId": "130378018"
  }
}