{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "135771",
    "entityType": "User",
    "nonce": "0xade261f1c2db12f33b1475a06a184300ef3637099379e16305a949ea46f313fa",
    "signature": "0xbdc91d8928fb0d81ce9b323603fc8917ae07901740dc57adadda26bede071f9652436e6c9dbcd69ca99a46ee2de60468d8b1c1be611c168263df60f53f938e2b1c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}