{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "57610",
    "entityType": "User",
    "nonce": "0x984eb63f3457734dd4ebc734927270bd65d4eba1e878a95d3ff2a676d51e34ba",
    "signature": "0x1cb92b78429c0a17c1695c51be125be55b4574af124137deeeacc7eab74b0b3e37548f8e001868b2d4c87280a0c6fceade2e6cd76bca7c9fcc7ff342af92f0d71b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}