{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0xdde3d5fd0707ea4b1fe326f9cce3bf085f3a2a004c96f2a4584ef3eb73724a3e",
    "signature": "0x5806607dc5328721bc49f9f3b66cc9b57e7870f3cf45462542bbd534804cf5ed36a3d8c9007facc9aec3364f206b31b3f4b310cd34aabd9794318832060efdf11c",
    "signer": "0xd6078B0551D517b9e62F8575E0209CaC9a0F733C",
    "userId": "326305486"
  }
}