{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "134214",
    "entityType": "User",
    "nonce": "0xb346a788bdd00bb64e07cae623948ca7df60727b73986abb747235b6eb440e80",
    "signature": "0xbe7a62a33f4c15f34b964d385417d9a1628f916e5902bfe373b278331a5dd16b1aa0d4433537eb33cc020eea7ab3386184b38200d85f75d5219c7976378136fc1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}