{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "13277",
    "entityType": "User",
    "nonce": "0x0fa79026a9e6112ba5e522d31d698cc05da218cb64fdd916fc48787d2b782738",
    "signature": "0xb4989a1a8a652164117109819745dc1f84606ff64787d5e0f2737bcfc53866190587a321c26ab45dc8427f0e87077d0640d71ff265637e39d922c6d413bb00d81c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}