{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "69933",
    "entityType": "User",
    "nonce": "0x7f9ccf673431de7c4228e2e38a8adfd4497e8168cb63956a90fd2de160b3a861",
    "signature": "0x255903effb5e73a2f8937d608bfa20f9129fa55ea8b66aed29204ce7b31ef8af70fac4b75867e610e4af2b010da65a9705465fcb031ad78375589d5183885b021c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}