{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "58392",
    "entityType": "User",
    "nonce": "0x8d5ea600e655b7bf9833bf3dda17004a056051cda2801895697d8a34048f61e1",
    "signature": "0x31cba27046e1e00f456a4ab36134dc4631630867ae87ddac15068fca903b614d004d934ee77b27c5453cdea4210d095b083b0a0a4808350621f13c7c0cf53de11b",
    "signer": "0xC7D69243b2161915036b32017e4FC8ea02d7faF1",
    "userId": "80378"
  }
}