{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5642",
    "entityType": "User",
    "nonce": "0xfb3897703850c1021ce9dc5784e4ba4983a2e5f2ef978c0f1ed1abe782c35ce9",
    "signature": "0xf86b02ad756b277917d85a4b5104d7e0f514410db3052134dd2383d70f0ff4103ccb0a5241e2a8ecd1f69bac0591f0c531b86a6f300627fdb8520aba2e39a96f1b",
    "signer": "0xdB791822A11f5aDc830669bdADa8121a4558D7A3",
    "userId": "347139808"
  }
}