{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "115138",
    "entityType": "User",
    "nonce": "0x228eeadb35011c69e31c60a8d5bd722aa32bc1b4362ef73b7ec0dcc819ce1954",
    "signature": "0xf935fab5fb9c8d11b4ee4c701ed6bf587a92d029379db26d1e027c8177c0bce24641cd47a10ccd8a016153b728132e3554f64609af5753d7568a1085f5a43dae1c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}