{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "382145",
    "entityType": "User",
    "nonce": "0xca573e6725ef3a73f2f963a51299e991090755f117e43d51ca7e3216bdc7ede5",
    "signature": "0x99fb44686a7dae7c59dac2983764e61487eeb1d97da6a6384f9ab2445a3652e92463ae8d054a32c2ac5e68b0ec187b3ad59f263429dac95dbd375cff7aa34a971c",
    "signer": "0x93927a047d15ce3D13193c5F046160C9d2b028Bc",
    "userId": "638513293"
  }
}