{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xaa957240a337265ab36b98312b17b94f5dbe67824d29d7ed75c0ce5c4817aa40",
    "signature": "0x529bbf25535c173f027134031e5028699db2dda40c9e278840b132818203fb8e3105331aa7f2b1b22647a979e7b8560294ab4a1e039c4b4ad8d6766a811d2ce81c",
    "signer": "0xD4d787126A2e719E262A7793cC03C55A08461F36",
    "userId": "493755176"
  }
}