{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "758745",
    "entityType": "User",
    "nonce": "0x26b26fe64b3034b663d4ecebc9cb5aea3a3143c418ec5490131308ac3bea2e20",
    "signature": "0x64ded59d20c65cf39dba14be3d7624f2586f5cc1b59c00fc71c8322436d0f54a42df2d10f310c1fc12a6dd6374797a296083f874085b0ca691ab7f30902053651b",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}