{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "596447929",
    "entityType": "User",
    "nonce": "0xe226988280e2d3fc338466b445d5cc917a8ab1a1f007e8571a3b6e0b6abd459c",
    "signature": "0x967e13069eb069f4cf6d0a281eb560f252ef5824a161ffa8415f5e6c26d1e218107ddd7a1d000a611d7aedc670b539f8023405854715843ce4bcd40932c9530b1b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}