{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "87298",
    "entityType": "User",
    "nonce": "0xed1f4f2bd678c8b8ad53ec5027eed13e6295a62f01aba547891ab57c5366d2ea",
    "signature": "0x1c17828447bad54f7092af8315534d5eda9d79c7fb874ca6cb63bc563b4ede387ff118fa5f867de7cfdc005e789297f2aba305c13d2422d2f777a872c25bb0271b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}