{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xfb146bc86c9ef839abf5db28aa5c2cf233866bc63ae8fb31c7b86359d43d0c70",
    "signature": "0x17fe324f276c54a1c62028f571ee1538eefda03f92598ae018bd9c2c477890ab760c62075b15d6c1e2db942fe6fb277e988466a18181c3ac49b9ee3278da11921b",
    "signer": "0x6f6AbC0857f64D49B18778F0423C318D250Ba00b",
    "userId": "514510727"
  }
}