{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "937107046",
    "entityType": "User",
    "nonce": "0x4969a1b4ad480e848fc3949124f2cac383f40a2fd6f4f3ad741ff519454ba4ae",
    "signature": "0x237a97d62b9c25a8775a591047c1fef7f7a363f9248f487703b79ecb50efaf9c2d2032a6f10bc4b95043ad1850eb4b70c9657904c0772ea0328e951954dc89a41c",
    "signer": "0x4a4E686a6442e2Fc2495a7d4363B25c583Ea3c3a",
    "userId": "34815"
  }
}