{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "195343",
    "entityType": "User",
    "nonce": "0x44dac819b608714e896fb1043f19051ce0cb0928a5e5ad5996151d2f770d311c",
    "signature": "0xcf5b4f3c29dc28defef325842775e604df6f068c247c1d19b88267c1f9f0b58561c22fcb7c543324635a8e739911f2fb2d982fe22c67c1d8ec5818afaea38ad81c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}