{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "29096",
    "entityType": "User",
    "nonce": "0x8b9d7eb6a39300b61b63f068893e35a7c9f8d75083f49670be9a1bde46fdf69a",
    "signature": "0x77fdfe558706eb35371a783da5fac1766958b3611dedbd2e592914baf0a6011764c773ab0ddb64492074dc394f37e730ef31ccde0bcb3de9a7d18473edd226861c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}