{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xc2b52004b82f55abddc2abe30f5e3ae441d799c664e37e243fe3641ebcb849e3",
    "signature": "0xe936fd72e67eb5e2a05a3f385a874ba8e18b5d81514084c0f180ca7879d62e571c991216c15c15afe9272d372b15579f2bde2b1dbaa0d09470b2f47b7438cb891c",
    "signer": "0x9acF8CBE8f2B0d51e756C58D6d1f946A8757602F",
    "userId": "428941685"
  }
}