{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x26464e5a7b6387d6508e90dd101c91fffe6512ff0066395777489b0247f94a9d",
    "signature": "0xb533526b66bd4b42390f7b73d4996333eef83432570206ded1d0f942ce381401356f9ce0d7df9347b988e2188ff40705f892458f8852f003a81f9102763c4c541c",
    "signer": "0x51a3896095A18b62c0162c171a8a67a2B3189b2b",
    "userId": "230584579"
  }
}