{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "164023",
    "entityType": "User",
    "nonce": "0x0be28fc16e6ad7899f95086ba669ff6d5e032e4c0d84bc6ff178817c93d29541",
    "signature": "0xde658c1eed198b52856b7e499d9fdd79c74334bd55a0d8486bfd3906d1fbd2947abc0f01532a0d000b1faeedd8e92d57b2e80e3f4601ad8216c642d9d28d3afc1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}