{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18111",
    "entityType": "User",
    "nonce": "0x2746cee7c69ab2da686731b9283171fc0c3065857d2179c895c4958e64b7a65b",
    "signature": "0x206c033add683f5b2a64312e01f84b98df8dd2f422e628e199120e43289c509e440a69b4b228118c9308f38c8588a039153600f5b3564127d620665bd00fc3b51c",
    "signer": "0xE0EaB915C3153F4a2DF5C6e7b8D58dAc829Fbf2f",
    "userId": "774741623"
  }
}