{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1701087",
    "entityType": "User",
    "nonce": "0xa3529cf83b1eb0ba367173331202a9a03b166188d08e764ca0363784d117cef4",
    "signature": "0xe5767259fbbd7bcfbd92b4e11bd4dca2488deae9d2d00486efec738f4ae9798f182552e0c9231aa34862320d6c7bf340a76d523ef7fbe791c1e0b283313aadbe1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}