{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319060",
    "entityType": "User",
    "nonce": "0xbfa8f1683bbf16223f4cb1af713dd1db53639749206bcceb8a31d194c2a253cf",
    "signature": "0x20fe89966ea7558a6a7381b0b17360f612ba56fba0c0128236b2ed2baa23b80d6e876f7594eeb7f5e5e02c5318dfc185517b121e3c11f0f702a5713023fa518c1b",
    "signer": "0x102a924C1c076Dcb5816d20E32Dcb6F00e75F2C9",
    "userId": "485987672"
  }
}