{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "265355",
    "entityType": "User",
    "nonce": "0x3b49b9fd15f36e99de51505909c241f363a8c8f2039831cbb647a65eb1d4595d",
    "signature": "0x6dc34e70ef4dbffab962ff0acae7d4ff5d5e055136cd556810f6cbabb87962006693c027058726990bd3cd45f2b345d43673a99c66749cc072f8086268efc3251c",
    "signer": "0xaB90b80e01A874dbd9B356083A2a389999dB06F8",
    "userId": "883066600"
  }
}