{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "83745",
    "entityType": "User",
    "nonce": "0xa8d7a29121d054d8a009e7faf8dc490393233cebc20a610f1c81076d840e5ce6",
    "signature": "0xa5d75513f4abb5dee67dd71c0e2bdb92af8fa3a1c70059c568f3f70da21419ad16f1d815e00527c1ed806b484410c4166c8d5077f878660467fbf9da00f2b0151c",
    "signer": "0x94d1769762bc3a1e7DCd3e8a31C89Ff199833Da6",
    "userId": "715573876"
  }
}