{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1937100",
    "entityType": "User",
    "nonce": "0xa63ef40671b0899160df8ec7d4f4925542960dfa85e23098956222ed38f5807b",
    "signature": "0x091d7b08df46d8d33a9a4cc707ee32ef461e3414a459a7b8800ed5d7bc2f672747e73d0fa6303de0c699498a1887847adfebd93d32fb4250d0ee10a617378fd31c",
    "signer": "0x05aba01c97C4F182D989670622abE9c797782dD2",
    "userId": "508263176"
  }
}