{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x04cc3a379df03a69851014a78e3e29e5a630e26d8c9a59d7ea67fe87f14b4a59",
    "signature": "0x74dc082125190969445e8f98b4f9a64641d98ee4be6ee03e7db063e6a8b738311ce07858d8854b3dcce46b0e84d627d0eab33a538377c4ec69ffa455059690011c",
    "signer": "0x989faEfE658E0b6dF1793197b0De4137Cb1aDD3b",
    "userId": "554920508"
  }
}