{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "96831",
    "entityType": "User",
    "nonce": "0x6e48d97b943cad5509f1ebe97bbb2f0bd6008c10508034dca8f517acef7f9480",
    "signature": "0x203de1d8d5f03321da808c95057421b70ec81c4e06e9c3aaa31b86c4d5b632305e3e276c14fd6336c46bcf64f86abd80e79e4c2e353d8d4a9497236aa63a99b21b",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}