{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xaddb9e8d0dda10d99d1b60835cf3d67f6ea7f843c3e63f33df6e74c9cc89a489",
    "signature": "0x63391be263eb21a64fad3820aea2ff9ed6ef32b9e3fb45853943f638319b50fd5a69333033a44c7b001832a3dd9f312db449a8a4edaee958db501c76a78eabc91b",
    "signer": "0x797942ca3735Ae82bF90D18d0581Fe4c7762854C",
    "userId": "865634872"
  }
}