{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "49915",
    "entityType": "User",
    "nonce": "0xc854309c76d37e7dc866188183d21447f3073f1ce0650557195bc2606a082b0b",
    "signature": "0xebe2a65ebd600a0a98117a0f69315c43bd370d8968a8ca3ca817726c77d832600c5fca26aceda0a0ceeac903cd57af828d4dddaf1551cbecfe9061217458d8be1c",
    "signer": "0xb0bc7585AC84F169814851A3C22d8d92D133337F",
    "userId": "267657235"
  }
}