{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1792211",
    "entityType": "User",
    "nonce": "0xe4b712926e03926d82f6722ce31328cd9db44aa55d0257503062ddd7a7c11b3a",
    "signature": "0x9978d5c6e7b4e62a3a06794f21816064800fac822420de17ffef77935948049f65a82f0d4a5b1a37db0bad8cceda9e245b8698353257b9bad3d174050c90f2281c",
    "signer": "0x90d627796C9E2071AAd9F8C20f6dCE95587F6d13",
    "userId": "560619378"
  }
}