{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "214076",
    "entityType": "User",
    "nonce": "0xb227bfa5d50cd429b0260b75bce80a2dd8ee981e0a9a46f2d2552df3fc7772af",
    "signature": "0x576196c2b1b0cd190a62f310a5d4a4055ea98dbb77c0d4ce3f5e429bc7be2df452c203f7840b6b7a446292b33c18c167a936f9d058663eff730df0dc1cdea0621b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}