{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "986621",
    "entityType": "User",
    "nonce": "0xc740015b6dbb566f73e78a7816d200621a3d744f0755d2f1ed681da300f06c30",
    "signature": "0x4775839f240e23c809e65c0e5c62cee06b75bdbd3f17b2eea10b6ab4e82aa5237a88e0bb32a4d0f0940b03a82e730e038562b154fdca9861e0ee19321434e9461b",
    "signer": "0xF08935327AeC6306C8d0eb92999567e5496848C9",
    "userId": "989073793"
  }
}