{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "842982090",
    "entityType": "User",
    "nonce": "0x5353af1a94f138d97c670cce143ffe4a368925b8e7cb2b0f294e4e145759f4f7",
    "signature": "0x62e9f078ae1aa01ade1e851c2a452cb8005f7ae7be23946b315922a45df78434672386282a4757f09f33efd5daf133dd69c07e3aec3c8b42bc4397121422807e1c",
    "signer": "0x75387BeED3d3B040a54C3e303fF0B07Da67a9186",
    "userId": "223536026"
  }
}