{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "129445",
    "entityType": "User",
    "nonce": "0x0769b127ae9b508262cff6832cc434aa591455755f19667f98b753d3f8b812e1",
    "signature": "0xb501c2d3c4ccc1abc9b640070ac91a933860cd83987a79402247b8c31a08a31003afd90d727b74aa02ebd9048d75f8cb21a76eab615b587fe668141b87cc189e1b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}