{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "735980234",
    "entityType": "User",
    "nonce": "0xc86b0bf64e0bbe3ba502a2e8b0a54e074a16ff3f1d647825490be09999a07455",
    "signature": "0x802648339a80261911388073a0d6262113b249d75099d9ac6bfe3b45abeb380c6ca20768809c3bb9a730e8ff1754c73842e35be653f3032b9b3aa926850965031b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}