{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x66384d6735ed5740b0a39a71b80a17f9acd892219d74aa9fc7d3a4acc1853025",
    "signature": "0x3c30e72088d87c9d21e4878fdac31710b7079382d145893458760f5bf483fe1d2b1424213771a51f2d5bc6a2c45c930804c391e661f8ef5c443919734244bcdc1c",
    "signer": "0x0aA8b3395B93569ec97cB2F36Af6E784480177E5",
    "userId": "64910649"
  }
}