{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x896e63763a0d4933629f0ca7a46604049747df814b07817973ecc896714e0f07",
    "signature": "0xa038028c28a85685db15fa758d9dbee82403cb8e14597f599ae16385c1d53aae7a36802b97af777ffe2c4dd35d09e628c7031b8778427e6dd15bcafb0e4360d61b",
    "signer": "0xd8ABEcaa1B7225F9e8459593B9271494d2477Ca8",
    "userId": "225859947"
  }
}