{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "956935847",
    "entityType": "User",
    "nonce": "0x0c335ba9ce8f8618637f0af5e3d56bd117596c72cd3072afebdeeb59619a4581",
    "signature": "0xe4957b2c174f49b436c48b09ccf9efa47d22b116a5908b96e6c47fc4a80a9f190a2c117832ee3b4e69091f95e4b46f28f772597774f6811bc100efa4643280551c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}