{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "183245",
    "entityType": "User",
    "nonce": "0x09c5882f8aadb6ee4ba0d13143fdbf80cbcbeaa2021bc6ef6ae90e9ad5c55df6",
    "signature": "0xbd90d876dda4e24b031c1a224d05a3a411a2937ac704e9fe6b85335b40bae50b2c4bb26df2da13f0706df8cec12164f74d0f9f6616efc9c8cc3d650d143dae2d1b",
    "signer": "0x2D566E1DaC6fc148a694abe846B32e39B6584aa5",
    "userId": "890889753"
  }
}