{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "89",
    "entityType": "User",
    "nonce": "0xd57cbd80b0745e2e1baf429c0b0cc29be983d112bb7cc43935d2d12e60c634e0",
    "signature": "0xa35769bf074df3081d0ce3bc063a3afeb959bf262e56d00167e3ced3e31623b155369512a716111c2a4a5ba0dbb09479fd149a90342de3dd90feab41c756879a1b",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}