{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863205",
    "entityType": "User",
    "nonce": "0x95f0895c9a7ab50f0d599e0c623ef6f2920bc758aee5e94bd901ab65746ecaca",
    "signature": "0x1aa0b5419ecb6e616c11df6d2b80e39be4217fc126b067cd4e00cf0fb295ccfb0a0cff0fdea1ca1357935f7a0d9ccb1f356c0e3301f9efb304275f25aa9daad41b",
    "signer": "0x7cb443E1D882339Ce2Db89944ef44929E8E2F578",
    "userId": "343301"
  }
}