{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "120368",
    "entityType": "User",
    "nonce": "0x51a0ace55256c8656a5096e430c743a2926de0922cdd74014c8ce1d0f990f7ea",
    "signature": "0xf1b0ffd54b2f154be3ef5d2e00890c4d54da455aac07c0eb684d3463e42a21a5146382a19211ea5f89c293b3a56ae8a7deef9dad66f3ae061c1426e22db872e11c",
    "signer": "0x4ad870a0C318214b4796d1464BC8Dc57C6b84C12",
    "userId": "408505072"
  }
}