{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "967681084",
    "entityType": "User",
    "nonce": "0x790f5ac45cdb247024dadb3fc136833868b6efb1f137fb769297220c70d41638",
    "signature": "0x47efd81159cc846c54b7528f44dc2691282221b3d5fd3afa48cc0fff940c2e1b38fa3b2bb32e2ea011ea9fd00a8c08b9893b7857f11c389ad8f6ce2acd8a324e1c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}