{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "230360",
    "entityType": "User",
    "nonce": "0x5ee94c5a080fcba9497bc327f3189e6a7eea3b2ed424161a1cddd32b92e2d5d7",
    "signature": "0x017089625a61a4769ebaafa779d6208d0d89f854af96be38069098aeed83c8675312d0db61f6b611cc088c68d59b84302b9ce7bc8e8fbee201a4e144b37a65fc1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}