{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "285685",
    "entityType": "User",
    "nonce": "0x18a98bef95ad14ab9e8528f81437fc65edb1df3a5ae16db58cde187dcadc7e12",
    "signature": "0xe46c8fabcec920d509d5a165ea111edf3166fd84e1b8ad89e2c5c6a15da5af1052f387a9b897ec0ab8bf400de6e5401888b49233234b2f796c16352182551cd51c",
    "signer": "0x6B239e9B75f27b519de7Bad3a26a0b7d30e32D3f",
    "userId": "311257477"
  }
}