{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5283",
    "entityType": "User",
    "nonce": "0xdb28ac507efac0b205e947aff45230de0803a61db2fdbb82291fb509c2b6e44e",
    "signature": "0x4b99c3d07a3bf7f8883c3299129b4e9e05bedd15c68ffd3fb2870561051cf1d5466f0420cc756dbdaedf0799fb1e512c2ea8394968979e1481692c3ad1db2a5c1c",
    "signer": "0x41169dA28a7d95b19615713245D5f46546c83008",
    "userId": "931487252"
  }
}