{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd59ad1047ebfb655621b18fd06417ce182c1ecd5b94eb2896af5efd3d3dabb10",
    "signature": "0x301217481c303b7b4f655c31d2eb2b209a2a5acefe17be9dae483b48aca41020381dbec774f6919be579c3198f1decec23204754eac844b97949de8b81a2178b1c",
    "signer": "0x724E0d97Cc1946797FfA8566749aDeef0c1F5eC1",
    "userId": "46360403"
  }
}