{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1044470",
    "entityType": "User",
    "nonce": "0xf2b2271f64e45743e63c7b522c45c04cbc4fbc4f5867406514a12ef330542f3e",
    "signature": "0x32aef36955a8387a1b16c922f5a0a999d46a89702946345d97eddb00836c60915e09a44a676f757fbdcfa423ad1436941b5cac0b972e1f6bb4fa0e3146aef7681b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}