{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "91965250",
    "entityType": "User",
    "nonce": "0x7a99997adfa20a079278b3cb98750eacb6a2e01d12de7e8f7565dc12b421c6a3",
    "signature": "0xc1c52f75820538ed5e60ee3250d4b0762ab444da5ab23ee60ec818dccad2e4ff47f98f12b025ef06529b4466e27b50fe3ebe624823462f14abfeaf1ed9d12f531c",
    "signer": "0xF356CfF3605e01f024ed894Fb7163a0c2391c70d",
    "userId": "903373982"
  }
}