{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x2d0f2a32c43d7e1798e19c97cc02d5f1aa291632ae9b3d5d8d5000be1e0136bf",
    "signature": "0xbb14643bb1fac5dd41aac8be45cf58d2b9448491684363286b616152f0af79900ab88569645568bc0532290d51c826fc4042d03e3004437efd1b2601449cf5211c",
    "signer": "0x4086Dda2D91F77cd46De0859a4de37F888508faA",
    "userId": "568518925"
  }
}