{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "132621",
    "entityType": "User",
    "nonce": "0x081f6e614c939f36a312a65fa14021ed06b2578b1877075c3c67dc8588dee8dc",
    "signature": "0xa3cb6805ffa77609ff28020032d0898c2002e2adee18bf114e7bf7fa75c3153f5bd5bdfbc751f1db6d402df49319f1df52ec01507af682684cc705167da88d6c1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}