{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "39609",
    "entityType": "User",
    "nonce": "0x2d0abc8283a5ef83e793699b101040a755d9653ad49bf3e0d603415ee4f14452",
    "signature": "0xe06d471bacb8a07ce1a12e3b94a134d7503d2a90f5479bba0e530216b8fd8cb811bac5c60578614d16acb820d060a2b7a3ac0d82ad81c5f8917c6740d1535a971b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}