{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x20322bce5acefe4926eedc68ab9f93fc238ca48e2916705e36367287a646b051",
    "signature": "0xdc9414bcb0230dcb44eb563ce9277e9c002ed9185063a2544fbda0f4c66f3cd05cb465e9ea0b89178c06eca91713f783833637f216aa064b803a45072c245ea41b",
    "signer": "0x1c1Be0a4f194E6158e5DC3d133B55fC7f8867Adf",
    "userId": "214494078"
  }
}