{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "965708335",
    "entityType": "User",
    "nonce": "0xc301b6e0b8c0ebfb5fd3136085aeceed94bdcf7547364fc7e7ae15920c2b5cfe",
    "signature": "0xa2a1af8f828fe9a6f1feab55b7f4926cbc8495980c0c53e53c5114ca930e805b3f1426ad5f20b0cbbccd69bee3cdb4dc0a42a9aa32226699ab748955daca6f0d1b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}