{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x9bd9c090b7893ed6c09ade342b7dee60c1e4dc15e1ef03b135b5615e766b72fe",
    "signature": "0xc042bd3dcbd06e6b78785dbdda53f5b13b305d0713e5d7712793f35f426418f548673959721514d16225f8b970ebaf2c8b4fad8fe1d27c044ba7c005673fd3561c",
    "signer": "0xE280E847d2A686a5B17DF698d98323E53A33789a",
    "userId": "915319400"
  }
}