{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xcc876bf3febfb436f9a05bc7e26c4dc31bea5461ab443aa4f23f849a1df1c53f",
    "signature": "0x9e8b69fa69b0d893dd61a630bacdbc75e96ea4433448d8df49c5ac9af7f9c87e107ba83427d9325c3eacc7914d6e21bdef53fcb5b0c937c2be3c7ca13e496a881c",
    "signer": "0xBbC07dbca723e601734324b021bB8Fc619995bA3",
    "userId": "455886724"
  }
}