{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "182428",
    "entityType": "User",
    "nonce": "0xcaa9d215ee71eafa119b0c6d37e5cc014fd09f0c8e9d78afbbfd1b02da1ecf4e",
    "signature": "0x94baa28ff9ece22e23914ddacfc7c47bf5120ba0524207eeb726c12df399bad111bc14c15647f0fe87fe51990714dc227e68b56fb47e2b6f5fd4521a05a1f4d81b",
    "signer": "0xc97A6025Ad8c7Ba1a35Ef7E3A3b88ABc8b2013BF",
    "userId": "666092734"
  }
}