{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "571117272",
    "entityType": "User",
    "nonce": "0x92cb071feeb42bbb46e5d436067aa24ce4e78b45e4dc8339f1215bcc558b3360",
    "signature": "0x00e27c5bb319914a30da307b590db90d8c7be0d480f7a1aa65dee7fff424b31d62472c9f07e60e221652f943e459de66f735c8715926236633827e1c78fe3bf91b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}