{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "254204",
    "entityType": "User",
    "nonce": "0x2fa40ad69f589ff35d179a6f4abdf12467355c33b0d5963f758efd620d1f3aee",
    "signature": "0xb80c60628f13326cd2e3c01a19fcecd09524a310d60e09ee2f73aa459d6df1a409fae709aed30c5e689debc933e55b9286ad5e10c6c64d37c797d057d4d619171b",
    "signer": "0x8D6829429c8794381a8c3bA2E4f15F99e5C119d4",
    "userId": "152462878"
  }
}