{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "910778788",
    "entityType": "User",
    "nonce": "0x32b8794684cc3f956b730aa622aeec3afc2aac41c4f4ae24aae9a62109c8ccce",
    "signature": "0x2ccace8a7713244f9b0f94294d0933f73bb52ef3d6449c3845cc14a38bb4cde5493c174f20664c11f496a53712cb754cdbaf4873a2eb0c6aa12bd62cb6ea1a291c",
    "signer": "0x1A0e34aBD5374BDd677c5de4D5D9718089cB05Eb",
    "userId": "644286186"
  }
}