{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "225739",
    "entityType": "User",
    "nonce": "0x70169705ba7672ebb20c3be2fd0d47637532403511af77ba8bae821f6cf79ad6",
    "signature": "0xa9cfa173a3fe036b77a8c73b947f39f5f4fad63b3ac631eefa99524d20e62fd64d63e24555f4d6af06a574b1b8c221b076402bdc327b15f29d36e142a3021ec21c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}