{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "858479840",
    "entityType": "User",
    "nonce": "0x22ee9259bdf3d3056024fd58b4e12aae02c36c2b75934893e8f0a8c254ef6f21",
    "signature": "0x6e5f020ec483e7650ebf1afe349f4070b9308637232e32f5ed6545ab3445c2f11e51f4f66e8a501dd613d41a8be73f19d8114ef5520e14d69930960735bc2ba71b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}