{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "13701",
    "entityType": "User",
    "nonce": "0xe09d23a208347cec2330c560876999f8da5a88fca8111d04a145f03a1a72af81",
    "signature": "0xdfe3cd99947bf8bc0d6218dbd8e1b1ed50719b760c67ac050c533591ad9e642f15a0acb5790ef92d46d74c290520780fa7044f0b522dc812abc0d5cc47f3fa871c",
    "signer": "0xb81F37e5a07cC28DEe619D298e732a131680DB32",
    "userId": "418741971"
  }
}