{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "746212972",
    "entityType": "User",
    "nonce": "0x096cae39542954b5e60af0ecea32dfe064f80ce317b751b020688abc4e6ae350",
    "signature": "0x469e0bbd3d6071c72a3ffa0dad9f9709ca64b42c1a41a239f0017f31cfdb95e100ddcbf740c8cae51374b13be85344a3fee042c53aeb0a50c83bade81c60ff0c1c",
    "signer": "0xA0960F044a561DE227F3Afc0EBF30d3768BAd050",
    "userId": "215935690"
  }
}