{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "571117272",
    "entityType": "User",
    "nonce": "0xd91e1d954cd4e21cb273048daad20a545e1af023d24ec6cd161a955888297f51",
    "signature": "0x72862b05e5d9219a0f56b750d83fdb7a1cc354b7b2977f666a46b9d78e8b560423d14647af86d52dbe15012a8eb23054755dffa765e8fec83682e4225fca44dd1b",
    "signer": "0x04926d1129e9DF4622A2DBaC163ae6E1a60Bdf1A",
    "userId": "766107478"
  }
}